{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Beetroot+juice+placebo",
    "query": {
      "intervention": "Beetroot juice placebo"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 66,
    "total_pages": 7,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Beetroot+juice+placebo&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-22T06:46:35.618Z",
  "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.",
  "notes": [
    "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.",
    "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.",
    "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees."
  ],
  "trials": [
    {
      "nct_id": "NCT07501806",
      "title": "Effect of the Combination of Nitrate and Caffeine on Critical Power In Trained Male Cyclists",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Exercise Performance of Fit Athletes",
        "Exercise Performance",
        "Cycling Performance"
      ],
      "interventions": [
        {
          "name": "Dietary Nitrate",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Caffeine",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Lindenwood University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "MALE",
        "summary": "18 Years to 40 Years · Male only"
      },
      "enrollment_count": 15,
      "start_date": "2020-11-17",
      "completion_date": "2021-11-11",
      "has_results": false,
      "last_update_posted_date": "2026-03-30",
      "last_synced_at": "2026-09-22T06:46:35.618Z",
      "location_count": 1,
      "location_summary": "Saint Charles, Missouri",
      "locations": [
        {
          "city": "Saint Charles",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07501806"
    },
    {
      "nct_id": "NCT05266287",
      "title": "Changes in Microbiota and Quality of Life in IBS",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "IBS - Irritable Bowel Syndrome"
      ],
      "interventions": [
        {
          "name": "a supplement containing 2'-fucosyllactose (2'-FL)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo Supplement",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "National University of Natural Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 50,
      "start_date": "2022-04-01",
      "completion_date": "2024-03-15",
      "has_results": false,
      "last_update_posted_date": "2023-03-24",
      "last_synced_at": "2026-09-22T06:46:35.618Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05266287"
    },
    {
      "nct_id": "NCT06657976",
      "title": "Response to Exercise and Nitric Oxide in PAD",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Peripheral Artery Disease",
        "Exercise",
        "Intermittent Claudication",
        "Nitric Oxide"
      ],
      "interventions": [
        {
          "name": "Supervised Treadmill Exercise",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Attention Control",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Nitrate-Rich Beetroot Juice + supervised exercise therapy",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Placebo + supervised exercise therapy",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2025-01-23",
      "completion_date": "2029-10-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-27",
      "last_synced_at": "2026-09-22T06:46:35.618Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06657976"
    },
    {
      "nct_id": "NCT07131384",
      "title": "Interaction Between Inorganic Nitrate Supplementation and Metformin in Individuals With Prediabetes",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Males",
        "Females",
        "Sedentary",
        "Metformin",
        "Prediabetes"
      ],
      "interventions": [
        {
          "name": "Dietary Supplement: Inorganic Nitrate (Beetroot juice)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Dietary supplement: Placebo (Nitrate-depleted beetroot juice)",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Virginia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 24,
      "start_date": "2026-01-01",
      "completion_date": "2027-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-06-03",
      "last_synced_at": "2026-09-22T06:46:35.618Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07131384"
    },
    {
      "nct_id": "NCT06434181",
      "title": "Beetroot Juice for Boosting Immunity During a Time of Stress.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Beetroot Juice",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo Control",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Baylor University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 114,
      "start_date": "2022-04-11",
      "completion_date": "2022-12-13",
      "has_results": false,
      "last_update_posted_date": "2024-05-30",
      "last_synced_at": "2026-09-22T06:46:35.618Z",
      "location_count": 2,
      "location_summary": "Dallas, Texas • Waco, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        },
        {
          "city": "Waco",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06434181"
    },
    {
      "nct_id": "NCT07755735",
      "title": "A Study to Evaluate the Effects of a Fiber Supplement on Gut Health",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Gut Health",
        "Bloating",
        "Irregular Bowel Movements",
        "Gastrointestinal Symptoms"
      ],
      "interventions": [
        {
          "name": "Active Supplement",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo Comparator",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Belli Welli Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2025-08-26",
      "completion_date": "2026-01-12",
      "has_results": false,
      "last_update_posted_date": "2026-08-10",
      "last_synced_at": "2026-09-22T06:46:35.618Z",
      "location_count": 1,
      "location_summary": "Las Vegas, Nevada",
      "locations": [
        {
          "city": "Las Vegas",
          "state": "Nevada"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07755735"
    },
    {
      "nct_id": "NCT01682356",
      "title": "Dietary Nitrate for Heart Failure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Heart Failure",
        "Hypertension, Pulmonary"
      ],
      "interventions": [
        {
          "name": "Beetroot juice",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 17,
      "start_date": "2012-01",
      "completion_date": "2023-07-01",
      "has_results": true,
      "last_update_posted_date": "2024-12-04",
      "last_synced_at": "2026-09-22T06:46:35.618Z",
      "location_count": 2,
      "location_summary": "Indianapolis, Indiana • St Louis, Missouri",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01682356"
    },
    {
      "nct_id": "NCT05313490",
      "title": "Exercise Fatiguability in Older Adults: The Protective Effects of Dietary Nitrate Supplementation",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Aging"
      ],
      "interventions": [
        {
          "name": "Beetroot Juice",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo Beetroot Juice",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Marquette University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "60 Years to 90 Years"
      },
      "enrollment_count": 40,
      "start_date": "2022-05-01",
      "completion_date": "2023-12-31",
      "has_results": false,
      "last_update_posted_date": "2022-08-24",
      "last_synced_at": "2026-09-22T06:46:35.618Z",
      "location_count": 1,
      "location_summary": "Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05313490"
    },
    {
      "nct_id": "NCT01785524",
      "title": "Dietary Nitrate and Exercise to Augment Exercise Training Benefits in Subjects With DM+PAD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Peripheral Arterial Disease",
        "Type II Diabetes Mellitus"
      ],
      "interventions": [
        {
          "name": "Beetroot Juice (Beet-It Stamina Shot) and Exercise Training",
          "type": "DRUG"
        },
        {
          "name": "Placebo Comparator Beverage (Beet-It Stamina Shot) & Exercise Training",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "50 Years to 80 Years"
      },
      "enrollment_count": 18,
      "start_date": "2013-02",
      "completion_date": "2014-11",
      "has_results": true,
      "last_update_posted_date": "2017-07-27",
      "last_synced_at": "2026-09-22T06:46:35.618Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01785524"
    },
    {
      "nct_id": "NCT06032065",
      "title": "SMART Exercise for PAD",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Peripheral Arterial Disease",
        "Aging",
        "Peripheral Vascular Diseases",
        "Walking, Difficulty"
      ],
      "interventions": [
        {
          "name": "Supervised Treadmill Exercise",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Home-Based Exercise",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Nitrate-rich beetroot Juice",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 210,
      "start_date": "2023-09-08",
      "completion_date": "2029-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-15",
      "last_synced_at": "2026-09-22T06:46:35.618Z",
      "location_count": 3,
      "location_summary": "Chicago, Illinois • Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06032065"
    }
  ]
}